Stoilov () is a surname. Notable people with the surname include:
Damian Stoilov, Canadian politician Delcho Stoilov (born 1981), Bulgarian footballer Konstantin Stoilov (1853–1901), Bulgarian politician Petr Stoilov (born 1975), Czech footballer Stanimir Stoilov (born 1967), Bulgarian footballer and manager Stojanče Stoilov (born 1987), Macedonian handball player Stoycho Stoilov (born 1971), Bulgarian footballer